alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY HTTP POST to MEGA Userstorage"; flow:established,to_server; http.method; content:"POST"; http.host; content:".userstorage.mega.co.nz"; endswith; fast_pattern; classtype:policy-violation; sid:2030504; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_07_14, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_14;)